MATH OPEN REFERENCE
www.mathopenref.com
NAME:
Construct a 60° angle, with compass and straightedge
(For assistance see
www.mathopenref.com/constangle60.html
)
1.
Construct a 60° angle with its vertex at the point P
2.
Perform the construction twice to create a 120° angle from two 60° angles that are adjacent (share a side) as in the example:
(C) Copyright John Page 2017
